About the book: 2014 / The Sukharev Tower, where Peter the Great’s associate Jacob Bruce lived and worked in the 18th century, is shrouded in legends. But in Moscow he was better known not as a scientist and diplomat, but as a soothsayer and warlock. According to legend, in the tower he hid the magical Black Book, a collection of all the secrets of humanity. It was in search of it that the tower itself was dismantled brick by brick at the beginning of the 20th century. The historian Alexander Stepanov, of course, heard about Bruce and the Sukharev Tower, but what he could not have expected was the appearance of the heirs of the great Jacob. Although what kind of inheritance are we talking about if Bruce died childless? However, the newly-minted descendants of the warlock not only claimed their rights to the surname of a distant ancestor, but also expressed a desire to find Bruce’s treasures - in particular, the Black Book, which opens up truly limitless possibilities for people…